The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2008
Filed:
Aug. 03, 2004
Hendrik Anton Van Esveld, Eindhoven, NL;
Vincent Marco Fischer, Eindhoven, NL;
Jeroen Waltherus Johannes Schoone, Turnhout, BE;
Hendrik Anton Van Esveld, Eindhoven, NL;
Vincent Marco Fischer, Eindhoven, NL;
Jeroen Waltherus Johannes Schoone, Turnhout, BE;
Koninklijke Philips Electronics, N.V., Eindhoven, NL;
Abstract
A high-pressure discharge lamp has a discharge vessel () enclosing a discharge space () which contains an ionizable filling. The discharge vessel has a first () and a second () mutually opposed neck-shaped portion provided with a pair of electrodes () arranged in the discharge space (). Each electrode is tubular over its entire length. Preferably, the electrodes are free from coils in the discharge space. Preferably, the electrodes extend to outside the discharge vessel. The high-pressure discharge lamp according to the invention is relatively easy to manufacture.